EP2500239A3 - Dynamic vibration control systems and methods for industrial lift trucks - Google Patents

Dynamic vibration control systems and methods for industrial lift trucks Download PDF

Info

Publication number
EP2500239A3
EP2500239A3 EP20120160108 EP12160108A EP2500239A3 EP 2500239 A3 EP2500239 A3 EP 2500239A3 EP 20120160108 EP20120160108 EP 20120160108 EP 12160108 A EP12160108 A EP 12160108A EP 2500239 A3 EP2500239 A3 EP 2500239A3
Authority
EP
European Patent Office
Prior art keywords
vibration control
methods
control systems
dynamic vibration
lift trucks
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20120160108
Other languages
German (de)
French (fr)
Other versions
EP2500239A2 (en
EP2500239B1 (en
Inventor
Paul P. Mccabe
John B. Kirk
Bryce Gregory
Michael G. Field
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raymond Corp
Original Assignee
Raymond Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raymond Corp filed Critical Raymond Corp
Publication of EP2500239A2 publication Critical patent/EP2500239A2/en
Publication of EP2500239A3 publication Critical patent/EP2500239A3/en
Application granted granted Critical
Publication of EP2500239B1 publication Critical patent/EP2500239B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07586—Suspension or mounting of wheels on chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of fluid dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
    • B62B3/0612—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground power operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0006—Bumpers; Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0026—Propulsion aids
    • B62B5/0069—Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07559—Stabilizing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/01—Vibration-dampers; Shock-absorbers using friction between loose particles, e.g. sand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/022—Fork lift trucks, Clark
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/90—System Controller type
    • B60G2800/91—Suspension Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/02—Materials; Material properties solids
    • F16F2224/0283—Materials; Material properties solids piezoelectric; electro- or magnetostrictive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2224/00—Materials; Material properties
    • F16F2224/04—Fluids
    • F16F2224/045—Fluids magnetorheological

Abstract

A lift truck includes systems and methods for improved vibration control. Vibration control features reduce or eliminate motion of the truck in one or more of the X-axis, Y-axis, and Z-axis. Some embodiments may include, alone or in combination with the vibration control, stability control to further stabilize the motion of the truck.
EP12160108.2A 2011-03-18 2012-03-19 Dynamic vibration control systems and methods for industrial lift trucks Active EP2500239B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201161454188P 2011-03-18 2011-03-18

Publications (3)

Publication Number Publication Date
EP2500239A2 EP2500239A2 (en) 2012-09-19
EP2500239A3 true EP2500239A3 (en) 2013-12-25
EP2500239B1 EP2500239B1 (en) 2015-10-14

Family

ID=45872822

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12159605.0A Active EP2500238B1 (en) 2011-03-18 2012-03-15 Dynamic vibration control systems and methods for industrial lift trucks
EP12160108.2A Active EP2500239B1 (en) 2011-03-18 2012-03-19 Dynamic vibration control systems and methods for industrial lift trucks

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12159605.0A Active EP2500238B1 (en) 2011-03-18 2012-03-15 Dynamic vibration control systems and methods for industrial lift trucks

Country Status (6)

Country Link
US (1) US9403667B2 (en)
EP (2) EP2500238B1 (en)
CN (1) CN102701112B (en)
AU (1) AU2012201506B2 (en)
CA (1) CA2770863C (en)
HK (1) HK1174890A1 (en)

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US9403667B2 (en) * 2011-03-18 2016-08-02 The Raymond Corporation Dynamic vibration control systems and methods for industrial lift trucks
US8731785B2 (en) * 2011-03-18 2014-05-20 The Raymond Corporation Dynamic stability control systems and methods for industrial lift trucks
US9302893B2 (en) * 2013-02-07 2016-04-05 The Raymond Corporation Vibration control systems and methods for industrial lift trucks
US10315900B2 (en) * 2014-04-01 2019-06-11 The Raymond Corporation Caster wheel with constant force mechanism
US10114379B2 (en) * 2015-06-01 2018-10-30 Dpix, Llc Point to point material transport vehicle improvements for glass substrate
CN104943664A (en) * 2015-06-30 2015-09-30 苏州先锋物流装备科技有限公司 Hinged balance wheel mechanism
DE102016207523A1 (en) * 2016-05-02 2017-11-02 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing transverse vibrations
DE102016207526A1 (en) 2016-05-02 2017-11-02 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
DE102016208205A1 (en) 2016-05-12 2017-11-16 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
DE102016209893A1 (en) 2016-06-06 2017-12-07 Jungheinrich Aktiengesellschaft Industrial truck with a device for reducing vibrations
WO2017216935A1 (en) * 2016-06-16 2017-12-21 ニチユ三菱フォークリフト株式会社 Industrial vehicle
DE102016211390A1 (en) 2016-06-24 2017-12-28 Jungheinrich Aktiengesellschaft Industrial truck with means for suppressing or reducing vibrations
DE102016211603A1 (en) 2016-06-28 2017-12-28 Jungheinrich Aktiengesellschaft Support device with a device for reducing vibrations
CN107601390A (en) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 A kind of method of work of the hydraulic car with auto-lock function
CN107601391A (en) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 The automatic sensing and self-locking method of a kind of hydraulic car
TWI670924B (en) 2018-07-02 2019-09-01 義守大學 Oscillation control system
CN110872083B (en) * 2018-09-03 2023-07-14 鹏亚机械科技（上海）有限公司 Lifting platform
USD907564S1 (en) * 2019-04-02 2021-01-12 The Raymond Corporation Vehicle mast
CN111646396B (en) * 2020-06-18 2021-08-03 江西鑫铂瑞科技有限公司 Automatic finished product carrying device of foil machine for copper foil production
US20230058101A1 (en) * 2021-08-23 2023-02-23 Brandon Michael West Powered Industrial Truck (PIT) with Rear-Loading/Lifting Mechanism

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Also Published As

Publication number Publication date
EP2500239A2 (en) 2012-09-19
CA2770863C (en) 2019-06-25
EP2500238A3 (en) 2013-12-25
US9403667B2 (en) 2016-08-02
AU2012201506A1 (en) 2012-10-04
EP2500238B1 (en) 2016-05-11
CN102701112B (en) 2016-04-13
HK1174890A1 (en) 2013-06-21
EP2500238A2 (en) 2012-09-19
CA2770863A1 (en) 2012-09-18
EP2500239B1 (en) 2015-10-14
AU2012201506B2 (en) 2014-09-11
CN102701112A (en) 2012-10-03
US20120235100A1 (en) 2012-09-20

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